EG22590A - Melamine of improved purity produced by high-pressure non-catalytic process - Google Patents

Melamine of improved purity produced by high-pressure non-catalytic process

Info

Publication number
EG22590A
EG22590A EG44896A EG44896A EG22590A EG 22590 A EG22590 A EG 22590A EG 44896 A EG44896 A EG 44896A EG 44896 A EG44896 A EG 44896A EG 22590 A EG22590 A EG 22590A
Authority
EG
Egypt
Prior art keywords
melamine
pressure
catalytic process
pressure non
improved purity
Prior art date
Application number
EG44896A
Other languages
English (en)
Inventor
David Best
Original Assignee
Melamine Chemicals Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23898467&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EG22590(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Melamine Chemicals Inc filed Critical Melamine Chemicals Inc
Application granted granted Critical
Publication of EG22590A publication Critical patent/EG22590A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
    • C07D251/40—Nitrogen atoms
    • C07D251/54—Three nitrogen atoms
    • C07D251/56—Preparation of melamine
    • C07D251/60—Preparation of melamine from urea or from carbon dioxide and ammonia

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
EG44896A 1995-06-07 1996-05-26 Melamine of improved purity produced by high-pressure non-catalytic process EG22590A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/478,088 US5514796A (en) 1995-06-07 1995-06-07 Melamine of improved purity produced by high-pressure, non-catalytic process

Publications (1)

Publication Number Publication Date
EG22590A true EG22590A (en) 2003-04-30

Family

ID=23898467

Family Applications (1)

Application Number Title Priority Date Filing Date
EG44896A EG22590A (en) 1995-06-07 1996-05-26 Melamine of improved purity produced by high-pressure non-catalytic process

Country Status (19)

Country Link
US (1) US5514796A (fr)
EP (1) EP0747366B1 (fr)
JP (1) JPH0912559A (fr)
KR (1) KR100472913B1 (fr)
AT (1) ATE215534T1 (fr)
AU (1) AU706404B2 (fr)
BR (1) BR9602673A (fr)
CA (1) CA2177521A1 (fr)
DE (1) DE69620298T2 (fr)
EG (1) EG22590A (fr)
ES (1) ES2175034T3 (fr)
NO (1) NO307338B1 (fr)
NZ (1) NZ286589A (fr)
PL (1) PL185494B1 (fr)
RO (1) RO119194B1 (fr)
RU (1) RU2161608C2 (fr)
TW (1) TW334429B (fr)
UA (1) UA46722C2 (fr)
ZA (1) ZA963945B (fr)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT402294B (de) * 1994-12-23 1997-03-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von hochreinem melamin
AT403579B (de) * 1995-12-07 1998-03-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von hochreinem melamin
US6380385B1 (en) 1995-12-07 2002-04-30 Agrolinz Melanin Gmbh Process for the preparation of pure melamine
NL1002669C2 (nl) * 1996-03-21 1997-09-23 Dsm Nv Werkwijze voor de bereiding van melamine.
NL1003105C2 (nl) * 1996-05-14 1997-11-18 Dsm Nv Werkwijze voor de bereiding van melamine.
NL1003328C2 (nl) * 1996-06-13 1997-12-17 Dsm Nv Werkwijze voor het bereiden van melamine.
NL1003709C2 (nl) 1996-07-30 1998-02-05 Dsm Nv Werkwijze voor het bereiden van melamine.
NL1003923C2 (nl) 1996-08-30 1998-03-04 Dsm Nv Werkwijze voor de bereiding van ureum.
WO1998027071A1 (fr) * 1996-12-16 1998-06-25 Dsm N.V. Procede de preparation de melamine
NL1004814C2 (nl) * 1996-12-18 1998-06-19 Dsm Nv Werkwijze voor het bereiden van melamine.
NL1006095C2 (nl) * 1997-05-21 1998-11-25 Dsm Nv Werkwijze voor het bereiden van melamine.
AU728549B2 (en) 1997-05-21 2001-01-11 Dsm Ip Assets B.V. Method for preparing melamine
NL1006147C2 (nl) * 1997-05-28 1998-12-01 Dsm Nv Werkwijze voor het bereiden van melamine.
CN1130353C (zh) 1997-05-28 2003-12-10 Dsm有限公司 制备蜜胺的方法
NL1006191C2 (nl) * 1997-06-02 1998-12-03 Dsm Nv Kristallijn melamine.
NL1006192C2 (nl) * 1997-06-02 1998-12-03 Dsm Nv Werkwijze voor het bereiden van melamine.
EP0986547A1 (fr) * 1997-06-02 2000-03-22 Dsm N.V. Procede servant a preparer de la melamine
DE69837432T2 (de) * 1997-06-02 2007-12-13 Dsm Ip Assets B.V. Kristallines melamin
US6355797B2 (en) 1998-01-30 2002-03-12 Agrolinz Melamin Gmbh Process for cooling melamine
NL1008571C2 (nl) * 1998-03-12 1999-07-28 Dsm Nv Kristallijn melamine.
GB2337259B (en) * 1998-05-12 2000-03-29 Dsm Nv Method for preparing melamine
US6303781B1 (en) 1998-05-12 2001-10-16 Dsm N.V. Method for preparing melamine
EP1035117A1 (fr) * 1999-03-08 2000-09-13 Dsm N.V. Procédé pour la préparation de la mélamine a partir d'urée
NL1013456C2 (nl) * 1999-11-02 2001-05-03 Dsm Nv Kristallijn melamine en de toepassing in aminoformaldehydeharsen.
EP1138676A1 (fr) 2000-03-27 2001-10-04 Casale Chemicals SA Procédé pour la préparation de mélamine de haute pureté
AT410210B (de) * 2000-08-07 2003-03-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von melamin
EP1188751A1 (fr) * 2000-09-13 2002-03-20 Casale Chemicals SA Procédé de production de mélamine très pure à partir d'urée
CN100518896C (zh) * 2001-11-16 2009-07-29 Ami-阿格罗林茨蜜胺有限公司 纯化三聚氰胺设备废气的方法
AU2002351684B2 (en) * 2001-11-16 2008-02-07 Ami-Agrolinz Melamine International Gmbh Method for producing melem-free melamine and quenching agents
NL1022764C2 (nl) * 2003-02-24 2004-08-26 Dsm Nv Natte quench.
DE10326827A1 (de) * 2003-06-12 2004-12-30 Ami-Agrolinz Melamine International Gmbh Verfahren und Vorrichtung zur Herstellung von Melamin im einphasigen Rohrreaktor
DE502004003874D1 (de) * 2004-01-17 2007-07-05 Casale Chemicals Sa Verfahren zur schonenden Abkühlung und Kristallisation von Melamin aus einer Melaminschmelze oder aus der Gasphase
DE102004051432A1 (de) * 2004-10-20 2006-04-27 Ami-Agrolinz Melamine International Gmbh Verfahren zur Behandlung von triazinhaltigem Wasser einer Melaminanlage
DE102005028665A1 (de) * 2005-06-15 2007-01-04 Ami-Agrolinz Melamine International Gmbh Verfahren zur Reinigung von Abwässern aus Melaminanlagen
US7153962B1 (en) 2005-07-12 2006-12-26 Casale Chemicals S.A. Process for gently cooling and crystallizing melamine from a melamine melt or from the gaseous phase
DE102006055571B4 (de) * 2006-11-20 2018-09-27 Urea Casale S.A. Verfahren und Vorrichtung zur Aufarbeitung einer Melaminschmelze
CN101863848B (zh) * 2010-05-28 2012-07-18 四川金象赛瑞化工股份有限公司 用于制备三聚氰胺的系统及方法
RU2495875C1 (ru) * 2012-10-11 2013-10-20 Открытое Акционерное Общество "Научно-Исследовательский И Проектный Институт Карбамида И Продуктов Органического Синтеза" (Оао Ниик) Способ охлаждения расплава меламина
EP2907567A1 (fr) * 2014-02-18 2015-08-19 Casale Sa Réacteur combiné pour la synthèse haute pression de mélamine
CN114452897A (zh) * 2022-01-06 2022-05-10 四川金象赛瑞化工股份有限公司 一种尿素加料装置、加料方法及三聚氰胺生产装置和方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3116294A (en) * 1963-12-31 Process- for preparing high-purity melamine from urea
HU184277B (en) * 1979-05-03 1984-07-30 Stamicarbon Process for preparing melamine
US4565867A (en) * 1984-01-05 1986-01-21 Melamine Chemicals, Inc. Anhydrous high-pressure melamine synthesis
IE57911B1 (en) * 1984-01-05 1993-05-19 Melamine Chemicals Inc Production of melamine
FI96028C (fi) * 1993-07-01 1996-04-25 Kemira Oy Menetelmä melamiinin valmistamiseksi

Also Published As

Publication number Publication date
EP0747366B1 (fr) 2002-04-03
TW334429B (en) 1998-06-21
AU706404B2 (en) 1999-06-17
DE69620298T2 (de) 2002-11-28
ZA963945B (en) 1996-12-10
BR9602673A (pt) 1998-11-10
CA2177521A1 (fr) 1996-12-08
DE69620298D1 (de) 2002-05-08
NZ286589A (en) 1998-04-27
UA46722C2 (uk) 2002-06-17
NO307338B1 (no) 2000-03-20
NO962339D0 (no) 1996-06-05
JPH0912559A (ja) 1997-01-14
AU5473296A (en) 1996-12-19
EP0747366A2 (fr) 1996-12-11
RO119194B1 (ro) 2004-05-28
US5514796A (en) 1996-05-07
PL185494B1 (pl) 2003-05-30
EP0747366A3 (fr) 1999-02-10
ES2175034T3 (es) 2002-11-16
PL314673A1 (en) 1996-12-09
KR100472913B1 (ko) 2005-08-17
NO962339L (no) 1996-12-09
ATE215534T1 (de) 2002-04-15
RU2161608C2 (ru) 2001-01-10
KR970001336A (ko) 1997-01-24

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